Ecommerce tracking description is based on Enhanced E-Commerce solution of Google Analytics, described on official website https://developers.google.com/analytics/....

The tracking flow is Google Analytics specific and based on following Product and Promotion actions

• click: A click on a product or product link for one or more products.
• detail: A view of product details.
• add: Adding one or more products to a shopping cart.
• remove: Remove one or more products from a shopping cart.
• checkout: Initiating the checkout process for one or more products.
• checkout_option: Sending the option value for a given checkout step.
• purchase: The sale of one or more products.
• refund: The refund of one or more products.
• promo_click: A click on an internal promotion.

Transfer the steps to a diagram, the e-commerce flow can looks like following:

To measure the product clicks each HTML item should contain the following parameters:

• Product ID
• Product Name
• Position in the list
• Product Category (optional, on category pages will be measured automatically)
• List name (optional, on search result and front page can be set dynamical via JavaScript)

The parameters can be placed in HTML product item container including class name "product-item":

<div|li|a
  class="product-item"
  data-product-id="12312"
  data-product-name="TITLE"
  data-list-position="1"
  data-list-name="Shop New Items"
  data-category="Furnitute">
    <img alt="" width="233" height="233" />
</div|li|a>

On WooCommerce WordPress the following plugin can be used to measure the product clicks: Tealium-GA-Enhanced-E-Commerce-Tracking-for-WooCommerce. Detailed description will be placed in the following article Tealium iQ WordPress Plugin for WooCommerce Tracking with GA Enhanced Ecommerce